webprovider.cs

基于vs2.0开发的WEB管理SQL功能该软件是一个用于管理SQL Server的工具

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.IO;
using System.Xml.Serialization;
using System.Web.SessionState;

namespace isqlweb
{
    /// <summary>
    /// Web处理类
    /// </summary>
    public static class WebProvider
    {
        #region CurrentHttpContext 当前Http上下文
        /// <summary>
        /// 当前Http上下文
        /// </summary>
        public static HttpContext CurrentHttpContext
        {
            get
            {
                try
                {
                    return HttpContext.Current;
                }
                catch
                {
                    return null;
                }
            }
        }
        #endregion

        #region CurrentSession 当前Session
        /// <summary>
        /// 当前Session
        /// </summary>
        public static HttpSessionState CurrentSession
        {
            get
            {
                try
                {
                    return CurrentHttpContext.Session;
                }
                catch
                {
                    return null;
                }
            }
        }
        #endregion

        #region CurrentPage 当前页面
        /// <summary>
        /// 当前页面
        /// </summary>
        public static Page CurrentPage
        {
            get
            {
                try
                {
                    if (typeof(Page).IsInstanceOfType(CurrentHttpContext.CurrentHandler))
                        return (Page)CurrentHttpContext.CurrentHandler;
                    else
                        return null;
                }
                catch
                {
                    return null;
                }
            }
        }
        #endregion

        #region Serialize 序列化对象为XML字符串
        /// <summary>
        /// 序列化对象为XML字符串
        /// </summary>
        public static string Serialize<T>(T obj)
        {
            StringWriter w = new StringWriter();
            new XmlSerializer(typeof(T)).Serialize(w, obj);
            return w.GetStringBuilder().ToString();
        } 
        #endregion

        #region Deserialize 反序列化XML字符串为对象
        /// <summary>
        /// 反序列化XML字符串为对象
        /// </summary>
        public static T Deserialize<T>(string str)
        {
            StringReader r = new StringReader(str);
            object o = new XmlSerializer(typeof(T)).Deserialize(r);
            return (T)o;
        } 
        #endregion

        #region Alert 弹出对话框
        public static void Alert(string msg, params object[] objs)
        {
            Alert(CurrentPage, msg, objs);
        }
        /// <summary>
        /// 弹出对话框
        /// </summary>
        public static void Alert(Page Page, string msg, params object[] objs)
        {
            msg = string.Format(msg, objs);
            string strscript = "alert(\"" + msg.Replace("\r\n", "\\r\\n").Replace("\n","\\n").Replace("\"", "\\\"") + "\");";
            Page.ClientScript.RegisterStartupScript(typeof(string), "alert-" + Guid.NewGuid().ToString(), strscript, true);
        } 
        #endregion

        #region AlertRedirect 弹出对话框并跳转

        /// <summary>
        /// 弹出对话框并跳转
        /// </summary>
        public static void AlertRedirect(string msg, string path)
        {
            AlertRedirect(CurrentPage, msg, path);
        }

        /// <summary>
        /// 弹出对话框并跳转
        /// </summary>
        public static void AlertRedirect(Page Page, string msg, string path)
        {
            AlertRedirect(Page, msg, path, "location");
        }

        /// <summary>
        /// 弹出对话框并跳转
        /// </summary>
        public static void AlertRedirect(string msg, string path, string location)
        {
            AlertRedirect(CurrentPage, msg, path, location);
        }

        /// <summary>
        /// 弹出对话框并跳转
        /// </summary>
        public static void AlertRedirect(Page Page, string msg, string path, string location)
        {
            string strscript = "alert(\"" + msg.Replace("\r\n", "\\r\\n").Replace("\n", "\\n").Replace("\"", "\\\"") + "\");";
            strscript += location + ".href=\"" + path.Replace("\"", "\\\"") + "\";";
            Page.ClientScript.RegisterStartupScript(typeof(string), "alert-" + Guid.NewGuid().ToString(), strscript, true);
        } 
        #endregion

        #region ShowMessage 显示消息
        /// <summary>
        /// 显示消息
        /// </summary>
        /// <param name="message">消息内容</param>
        public static void ShowMessage(string message)
        {
            ShowMessage(message, "消息");
        }
        /// <summary>
        /// 显示错误消息
        /// </summary>
        public static void ShowMessage(Exception ex)
        {
            ShowMessage(ex.Message, "错误");
        }
        /// <summary>
        /// 显示消息
        /// </summary>
        /// <param name="message">消息内容</param>
        /// <param name="caption">消息标题</param>
        public static void ShowMessage(string message, string caption)
        {
            MessageContent = message;
            MessageCaption = caption;

            try
            {
                //WebProvider.CurrentPage.Response.Redirect("MessageBox.aspx", false);
                //WebProvider.CurrentHttpContext.ApplicationInstance.CompleteRequest();

                WebProvider.CurrentHttpContext.Response.Redirect("MessageBox.aspx");
            }
            catch { }
        }

        #region MessageContent 消息内容
        /// <summary>
        /// 消息内容
        /// </summary>
        public static string MessageContent
        {
            get
            {
                try
                {
                    return Utils.Parse<string>(WebProvider.CurrentSession["MessageContent"]);
                }
                catch
                {
                    return string.Empty;
                }
            }
            set
            {
                WebProvider.CurrentSession["MessageContent"] = value;
            }
        }
        #endregion

        #region MessageCaption 消息标题
        /// <summary>
        /// 消息标题
        /// </summary>
        public static string MessageCaption
        {
            get
            {
                try
                {
                    return Utils.Parse<string>(WebProvider.CurrentSession["MessageCaption"]);
                }
                catch
                {
                    return string.Empty;
                }
            }
            set
            {
                WebProvider.CurrentSession["MessageCaption"] = value;
            }
        }
        #endregion

        #endregion
    }
}